This cool little robot is "hungry" to help you save your coins! Place a coin in the robot's hands, and it will swallow it up with the snap of its jaws. It's a fantastic introduction to teaching children about the functions and principles of basic circuits. When fully assembled, this robot measures 4.5" W x 5.5"H x 5.75"D. Requires 1 AA battery (not included). For children ages 8 years and up.